P Please find in the below table the proportion of Quebecers who made a donation to specific charities in the past year. charities homeless shelter animal rescue food bank proportion of the population 0.05 0.02 0.31 (a) What is the probability that, in a random sample of 51 people, exactly 5 of them donated to a homeless shelter? (b) What is the probability that, in a random sample of 31 people, at least two of them made a donation to an animal rescue? (c) Calculate the expected value and standard deviation for the number of people in a random sample of 75 people who did not donate to food banks.

P Please find in the below table the proportion of Quebecers who made a donation to specific charities in the past year. charities homeless shelter animal rescue food bank proportion of the population 0.05 0.02 0.31 (a) What is the probability that, in a random sample of 51 people, exactly 5 of them donated to a homeless shelter? (b) What is the probability that, in a random sample of 31 people, at least two of them made a donation to an animal rescue? (c) Calculate the expected value and standard deviation for the number of people in a random sample of 75 people who did not donate to food banks.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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